
Mount Vernon sits at the junction of mountain and river valley in Grant County, where the John Day River carves through a landscape shaped by both geology and resource extraction. Evidence of the area's industrial history is visible in the extensive dredge tailings along the riverbank, a signature of the gold dredging era that altered the waterway's course. North of the settlement, the Malheur National Forest boundary encompasses prominent heights like White Butte and Gordon Butte, while the Mt Vernon Hot Springs mark a geothermal presence near the forest edge.
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2 editions found
1940 · Mount Vernon
USGS Topo · 1:62,500
1940 · John Day
USGS Topo · 1:62,500
1943 · John Day
USGS Topo · 1:62,500
1943 · Mount Vernon
USGS Topo · 1:62,500
1949 · Long Creek
USGS Topo · 1:62,500
1949 · Susanville
USGS Topo · 1:62,500
1951 · Susanville
USGS Topo · 1:62,500
1951 · Long Creek
USGS Topo · 1:62,500
1955 · Canyon City
USGS Topo · 1:250,000
1959 · Canyon City
USGS Topo · 1:250,000